Switch.



H. A, STEEN.

SWITCH.

APPLICATION FILED JUNE 19. 1911.

Patented Sept. 24,1918.

2 SHEETS-SHEET I.

H. A. STEEN.

SWITCH.

APPLICATION FILED JUNE 19, 191:.

1,27 9,779. atentedSept. 24,1918

2 SHEETS-SHEET 2- m a 02% Wm aim 9% 4 ML- lho main contact coin risos aVi Hes.

HALFDAN STREE 835 ll JY/{T EIE, W SCOIhlblldii', ASSIGNOR, BY IMIESNEASSIGN- CTURING CGMPANY, A COBPORATIGN OF MENTSi, Tc"; ALLZS-GHA EU}?DELAW i 2111a 7 "fir Specification of Application filed June 19 1911.

To all w/mm may concern:

Be it known that l} Ill-\nrnim A. STEENS a subject of the King ofNornagg residing at li'lilwanlaeo. in the county of lllilwenkee andStale oi il isconsin. have invented cer tain new and useful linprvenfients in Switches. of which ihe follow a full, clear, and exaefispecificaiiion.

My invent-ion rclales to the cons of switches or circnii-breakers.

ll 18 the object of my invention to iinerove the o g'aerziitingmechanism and the contact arrangement of such rleviecs. A. movableswitch arm is pivoted to a support, and an operating arm is pivoted tothe switch arm and in its movement bears on a fir-:ccl guide to producethe desired. movement of the switch arng. The switch arm carrie:-; mainand arcing contacts, which cooperate re spectively with other main and areing contacts. Of a pair of cooperating inaiin contacts, one mounted on:i ji ivol ecl lover which is tilted by the closing; movement of theswitch arm to move the main. contact on. the pivoted lever transverselyto the movement of and into engagement with the other main contact. Oneof the main cont-acts comprises a group of lamina: clamped hetwecn anabutment and a. pivoted clamping lever. Of a pair of cooperating arcingcontacts, one yicldalole relatively "co She corresponding: main contact21ml its mounting.

The various novel feail nres of my inveie tion will appear from thedescription and. drawings, and. will be particularly pointccl out in theclaims.

liic-nres ii and 2 show the closed and open positions respectively of acircniikhrealrer embodying my invent-ion.

On a base 10, of suitable insulating in& aerial, are mounted a pair oi.main s1 oporo ing;- Mates 11. between which (amends a pivot pin, 12carrying" av main switch arm 13. This arm carries a main roniacf, ll amelnl aux-1 iliary contact 15,fill ii!.-(J2li'l3 )ll arch Lotion onirnol al lzu'ninze, the contact, moving in a parallel to the plane ofthe paper. lamina: 1 1 too'cther with the sorinc sen )ort oi a. flexiblecononcior 18. are clann'nze be tween an alinnznieni; l9 and a lever 26 i1 l I at 21. The ireqni; re clanrpinggg obtained by means of a screw i.e lole connection in leads lo one terminal of the he were Eaten't.

Sepin 342, 1918.

Serial Ila. 634,149.

the contacts 14;, 155 and. 1.6. iihe contacts 27,

28, and are mounted on a pivoted lever 30, the fiiSi; two being fixedwith relation. to such lever and the last being; attacherl thereto by aleaf spring 31. The lever 30 is biased to the position shown in Fig. 52as by means of a spring 32, bni; upon the closing of the switch is movedto the other position by an acljusiablo roller 33 carried by the switcharm 13. Such. closing movement is atiiainecl by an. operafiing arm 3,which is pivoted to the arm 13 and provided with a handle On fihe sidesof the arm 34; are mounted rollers 36 which run on guides 3'? formed onextensions of the supports ll.

Vi/hen. the switch is open the parts are as shown in Fig. 2. pressingdown the handle 35, the operating arm 84 is turned. about its pivot onthe arm 13 and pressure is exerted between the rollers 36 and the guides37. 'lhe guide 37 being fixed, the re action on ehe switch arm 13 forcessaid arm from the open position shown in Fig. 2 to the closed positionshown in Fig. 1 As the arm 18 approaches its closed position the carbonarcingcontacts 16 and 29* first cngage, (.hen the roller strikes fiheupper end of the lever 30 and nuns such lever in. aCO'lll'ii-el-()lOCliWltie direction to loring' the main contact 2? intoengageinenfi wiih the free ends of the lanirinze c" the main contact ll.The tlllXlllzil'y contacts anzl 28 engage after the an. r conrn .115 butbefore the main contacfs onga mounting of the contacts 15 and 29. afirni engagement between the contacts on each pair of contacts isobtained. Qlhlen the switch arm 13 reaches its full close i posilion. alatch 38, pivoted at 39, engages a projection 40 on the operating arm34, thus holding the. :Y'fl'lijCl'l in closed position.

Upon an overload. the overload coil at iracts ii's armature ll, and at)rojection 42 upon the latter engages an upwarclly extend.- ing arm :ion ihc latch 38 and ri l-s. such latch to disengage it from theprojection 40. in case of ailure in the voltage on the line, the no-mirage coil, M

e. Because of the spring countcr clockwise direction by its spring 4L6,sothat a roller at? carried by an arm pro- 3 sting from such armaturestrikes the roller is fastened to a projection 49 from the latch d andcauses the disengagement of said latch iuom the projection 40. Upon suchdisengagement, whether because of overload or no-voitcge, the springs31. and 32 force the switch arm 13 in a clockwise direction to theposition shown in Fig. 2, and the spring 32 tilts the lever 30 in thesame direction. lhis opens the switch, the main contacts separatingfirst, the auxiliary contacts next, and the arcing contacts last. Whenthe switch arm reaches open position, any shock is taken by s in the a,switch mounted on said base and comprising a pivoted switch arm, anoperating arm pivoted thereto, and a fixed guide on which said operatingarm bears, said guide extending transversely of the plane of theadjacent face of said base.

2. in s, switch, the combination of a base,

a switch mounted on said base and comprising a movable contact-carryingelement, an actuating arm pivoted to said movable element, and a fixedguide on which a portion of said actuating arm bears, said guide extending transversely of the plane of the adjacent face of said base.

o. In a switch, the combination of a piv oted switch arm, an actuatingarm pivoted thereto, a fixed member provided with a guiding portion onwhich a portion of said actuating arm bears, a. latch mounted on saidmember and operative to hold said actuating arm in a positioncorresponding to closed position of the switch, and a plurality ofseparate means comprising an actuating element pivotally mounted on saidmember for releasing said latch.

4%. A switch contact comprising a group of lam'nae,an abutment and apivoted lever between which said laminae are located, and means forforciblyswinging said lever'to clamp the laminae between it and theabutment;

Milwaukee, Wis, June 16, 1911.

In testimony whereof I aiiix my signature, in the presence of twowitnesses.

HALFDAN A. STEEN.

Witnesses:

Gr. B. Sonrnr, CHAS. L. BYRON.

